Free IPIP-NEO-120, Deep Big Five Test, 30 Facets in 30 Minutes
The IPIP-NEO-120 gives you the most detailed free Big Five personality profile available, 120 public-domain items measuring all 5 OCEAN domains across 30 sub-facets (6 per trait). Developed by John A. Johnson (2014) as a public-domain representation of the NEO-PI-R. Free, no signup, instant percentile profile.
What is the IPIP-NEO-120?
The IPIP-NEO-120 is a 120-item public-domain personality inventory designed by John A. Johnson (2014) to measure the thirty facets of the Five-Factor Model (Big Five). Each of the five OCEAN domains, Openness, Conscientiousness, Extraversion, Agreeableness, and Neuroticism, is assessed through six sub-facets, each measured by four items on a 5-point Likert scale from 'Very Inaccurate' to 'Very Accurate'. The result is a rich, facet-level OCEAN profile that goes far beyond a broad trait score.
Johnson published the instrument in the Journal of Research in Personality (2014, vol. 51, pp. 78–89) as a shorter, freely available alternative to the commercial 240-item NEO-PI-R. The IPIP-NEO-120 is hosted on the International Personality Item Pool (ipip.ori.org) and is explicitly placed in the public domain, free for any use, commercial or academic, with no permission required. The 30 facets map directly onto Costa & McCrae's original NEO-PI-R facet structure.
Use the IPIP-NEO-120 when you want the full picture. Where the Big Five-50 gives you a trait-level read, the IPIP-NEO-120 shows you the facets underneath, for example, whether your high Neuroticism is driven by Anxiety, Anger, or Vulnerability, or whether your Conscientiousness comes from Achievement Striving vs. Orderliness. That distinction matters for career fit, coaching, and self-awareness.
Closely related on JobCannon: 50-item Big Five test, TIPI-10 (2-minute Big Five), and MBTI personality test.
What You'll Discover
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